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path: root/drivers/gpio/gpio-ich.c
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Diffstat (limited to 'drivers/gpio/gpio-ich.c')
-rw-r--r--drivers/gpio/gpio-ich.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index e16d932fd44..2729e3d2d5b 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -41,12 +41,14 @@ enum GPIO_REG {
GPIO_USE_SEL = 0,
GPIO_IO_SEL,
GPIO_LVL,
+ GPO_BLINK
};
-static const u8 ichx_regs[3][3] = {
+static const u8 ichx_regs[4][3] = {
{0x00, 0x30, 0x40}, /* USE_SEL[1-3] offsets */
{0x04, 0x34, 0x44}, /* IO_SEL[1-3] offsets */
{0x0c, 0x38, 0x48}, /* LVL[1-3] offsets */
+ {0x18, 0x18, 0x18}, /* BLINK offset */
};
static const u8 ichx_reglen[3] = {
@@ -148,6 +150,10 @@ static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
int val)
{
+ /* Disable blink hardware which is available for GPIOs from 0 to 31. */
+ if (nr < 32)
+ ichx_write_bit(GPO_BLINK, nr, 0, 0);
+
/* Set GPIO output value. */
ichx_write_bit(GPIO_LVL, nr, val, 0);